package com.testfileupload.uploadimg.design.state.simple;


public abstract class LiftState {
    //定义一个环境角色，封装状态的变化引起的功能的变化
    protected Context context;

    public void setContext(Context context) {
        this.context = context;
    }
    public abstract void open();
    public abstract void close();
    public abstract void run();
    public abstract void stop();
}
